CVE-2015-0695

What it is

Cisco IOS XR 4.3.4 through 5.3.0 on ASR 9000 devices, when uRPF, PBR, QoS, or an ACL is configured, does not properly handle bridge-group virtual interface (BVI) traffic, which allows remote attackers to cause a denial of service (chip and card hangs and reloads) by triggering use of a BVI interface for IPv4 packets, aka Bug ID CSCur62957.

At a glance

Exploitability

Can be exploited over the network without logging in. High risk of service disruption.

Exploit odds

3.4% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2015-04-17 01:59 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 00:20 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 3.4% in the next 30 days (EPSS).
• Severity: 7.8 HIGH (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2015-04-17 01:59 UTC

Last modified

2026-06-17 00:20 UTC

Exploit probability

3.4% · EPSS, next 30 days

Weakness

CWE-19

Record status

Modified

Affected

• Cisco iOS Xr 4.3.0
• Cisco iOS Xr 4.3.1
• Cisco iOS Xr 4.3.2
• Cisco iOS Xr 4.3.3
• Cisco iOS Xr 5.1.0
• Cisco iOS Xr 5.1.1
• Cisco iOS Xr 5.1.2
• Cisco iOS Xr 5.2.0

Attack profile CVSS 2.0 · 7.8

Attack vector

Network

Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

Is it in your code?

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